Gerard Joseph Sim, OD

NPI 1669363883 · on the registry since 2025

Practice

Address: 11980 Mount Vernon Ave
Grand Terrace, CA 92313
Phone: (951) 654-0803
Organisation at this address: Keystone Nps Llc
Riverside-San Bernardino County Indian Health Inc
Riverside-San Bernardino County Indian Health, Inc.
Riverside-San Bernardino County Indian Health, Inc.
Riverside-San Bernardino County Indian Health, Inc.
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 34

Registry record

Primary taxonomy: 152W00000X
152W00000X
Licence states on file: CA
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2025-07-22

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California